16413650545 has 4 divisors (see below), whose sum is σ = 19696380660. Its totient is φ = 13130920432.

The previous prime is 16413650527. The next prime is 16413650557. The reversal of 16413650545 is 54505631461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54505631461 = 263 ⋅207245747.

It can be written as a sum of positive squares in 2 ways, for example, as 4739496336 + 11674154209 = 68844^2 + 108047^2 .

It is a cyclic number.

It is not a de Polignac number, because 16413650545 - 2¹¹ = 16413648497 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 16413650498 and 16413650507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641365050 + ... + 1641365059.

It is an arithmetic number, because the mean of its divisors is an integer number (4924095165).

Almost surely, 2^16413650545 is an apocalyptic number.

It is an amenable number.

16413650545 is a deficient number, since it is larger than the sum of its proper divisors (3282730115).

16413650545 is an equidigital number, since it uses as much as digits as its factorization.

16413650545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282730114.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 16413650545 in words is "sixteen billion, four hundred thirteen million, six hundred fifty thousand, five hundred forty-five".